/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is ThumbsDown.
 *
 * The Initial Developer of the Original Code is Atte Kemppilä.
 * Portions created by the Initial Developer are Copyright (C) 2012
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */


function LinkTypePage() // extend WizardPage
{
    var depends = "selected";
    WizardPage.call(this, depends);
}

LinkTypePage.prototype =
{
    onPageShow: function()
    {
        if (this.firstRun)
        {
            this.$linkType = document.getElementById("rgroup_linkType");
            this.$normalRadio = document.getElementById("radio_linkType_normal");
            this.$linkList = document.getElementById("rlbox_linkType");
        }
        
        if (this.dirty.selected)
        {
            let hasLinkUrl = (("linkUrl" in model.selected[0]) && (!! model.selected[0].linkUrl));
            
            this.$linkType.value = (hasLinkUrl ? "normal" : "xpath");
            this.$normalRadio.disabled = (! hasLinkUrl);
            
            this._updateLinkList();
        }
    },
    
    onLinkTypeSelect: function()
    {
        this._updateLinkList();
        wizard.updateWizardButtons();
    },
    
    _updateLinkList: function()
    {
        clearListbox(this.$linkList);
        
        for each (let thumbnail in model.selected)
        {
            let label = ((this.$linkType.value == "normal") ? thumbnail.linkUrl : _("_undefined"));
            let $rlitem = this.$linkList.appendItem(label);
            $rlitem.firstChild.crop = "none";
        }
    },
    
    canAdvance: function()
    {
        if (! this.$linkType.value)
            return false;
        
        return true;
    },
    
    onPageAdvanced: function()
    {
        model.linkType = this.$linkType.value;
        
        switch (model.linkType)
        {
            case "normal":
            {
                let linkUrls = [thumbnail.linkUrl for each (thumbnail in model.selected)];
                
                try
                {
                    // validate linkUrls (copied from linkxpath)
                    scriptWizard.getUrlTokens(linkUrls);
                }
                catch (e  if (typeof(e) == "string"))
                {
                    model.error = e;
                    return wizard.advance("error");
                }
                
                model.linkUrls = linkUrls;
                return wizard.advance("target");
            }
            case "xpath":
                return wizard.advance("linkXpath");
            default:
                throw new Error("unknown linkType: " + model.linkType);
        }
    },
}

extend(LinkTypePage, WizardPage);

pages["linkType"] = new LinkTypePage();
